JPS6318872B2 - - Google Patents

Info

Publication number
JPS6318872B2
JPS6318872B2 JP55160042A JP16004280A JPS6318872B2 JP S6318872 B2 JPS6318872 B2 JP S6318872B2 JP 55160042 A JP55160042 A JP 55160042A JP 16004280 A JP16004280 A JP 16004280A JP S6318872 B2 JPS6318872 B2 JP S6318872B2
Authority
JP
Japan
Prior art keywords
semiconductor laser
noise
output
output light
photodetector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP55160042A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5783079A (en
Inventor
Yukio Kurata
Kaneki Matsui
Haruhisa Takiguchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sharp Corp filed Critical Sharp Corp
Priority to JP16004280A priority Critical patent/JPS5783079A/ja
Publication of JPS5783079A publication Critical patent/JPS5783079A/ja
Publication of JPS6318872B2 publication Critical patent/JPS6318872B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068—Stabilisation of laser output parameters
    • H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
    • H01S5/0687—Stabilising the frequency of the laser
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068—Stabilisation of laser output parameters
    • H01S5/06817—Noise reduction

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Semiconductor Lasers (AREA)
JP16004280A 1980-11-12 1980-11-12 Driving method of semiconductor laser Granted JPS5783079A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16004280A JPS5783079A (en) 1980-11-12 1980-11-12 Driving method of semiconductor laser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16004280A JPS5783079A (en) 1980-11-12 1980-11-12 Driving method of semiconductor laser

Publications (2)

Publication Number Publication Date
JPS5783079A JPS5783079A (en) 1982-05-24
JPS6318872B2 true JPS6318872B2 (enrdf_load_stackoverflow) 1988-04-20

Family

ID=15706666

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16004280A Granted JPS5783079A (en) 1980-11-12 1980-11-12 Driving method of semiconductor laser

Country Status (1)

Country Link
JP (1) JPS5783079A (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5856377A (ja) * 1981-09-29 1983-04-04 Matsushita Electric Ind Co Ltd 半導体レ−ザ装置
JPH0626259B2 (ja) * 1984-04-27 1994-04-06 松下電器産業株式会社 光伝送装置
JPS61281669A (ja) * 1985-05-31 1986-12-12 Konishiroku Photo Ind Co Ltd 放射線画像情報読取及び記録装置
US4989949A (en) * 1987-10-23 1991-02-05 Fujitsu Limited Arrangement for discriminating whether or not semiconductor laser is functional
JPH0357432A (ja) * 1989-07-27 1991-03-12 Advance Co Ltd 半導体レーザー血流計
US5179565A (en) * 1990-06-07 1993-01-12 Hamamatsu Photonics, K.K. Low noise pulsed light source utilizing laser diode and voltage detector device utilizing same low noise pulsed light source
US5103453A (en) * 1991-02-12 1992-04-07 Aerodyne Research, Inc. Method and means for controlling the frequency and power output of a tunable diode laser

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2862391D1 (de) * 1977-10-26 1984-04-26 Post Office Control apparatus for a semi-conductor laser device

Also Published As

Publication number Publication date
JPS5783079A (en) 1982-05-24

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